* {
	padding: 0;
	margin: 0;
}

img {
	vertical-align: bottom;
	/* 使元素及其后代元素的底部与整行的底部对齐。*/
}

li {
	list-style: none;
	/* 设置列表项目样式为不使用项目符号 */
}

a {
	text-decoration: none;
	/* 文本装饰为无 */
}

.bd {
	border: 1px solid red;
}

.w {
	width: 1140px;
	margin: 0 auto;
}

.fl {
	float: left;
}

.fr {
	float: right;
}

.logo {
	padding-top: 18px;
	padding-bottom: 29px;
}

.navigation {
	margin-left: 152px;
}

.navigation>li {
	padding: 0 13px;
	position: relative;

}

.navigation a {
	display: block;
	font-size: 20px;
	line-height: 83px;
	color: #666;
}

.home {
	border-top: 3px solid orange;
	background: linear-gradient(to bottom, #ededed, white);
}

.letter_title {
	border-top: 3px solid #FFFFFF;
}

.Features {
	position: relative;
}

.subnav {
	display: none;
	position: absolute;
}

.Features:hover .subnav {
	display: block;
	background-color: #00aaff;
}

.subnav li:hover {
	background-color: yellow;
}

.subnav a {
	display: block;
	font-size: 30px;
	line-height: 40px;
	padding-left: 10px;
	padding-right: 10px;
}

.navigation>li:hover {
	background: linear-gradient(to bottom, #ededed, white);
	border-top: 3px solid #ee5744;
}

.clearfix::before,
.clearfix::after {
	content: " ";
	display: table;
}

.clearfix::after {
	clear: both;
}

header {
	position: relative;
	/* 生成绝对定位的元素，相对于浏览器窗口进行定位 */
	background-color: #fff;
	width: 100%;
	z-index: 100;
	top: 0;
	/* 固定标题栏 */
	position: fixed;
}

.navigation_two {
	width: 195px;
	padding-top: 29px;
}

.navigation_icon {
	width: 23px;
	height: 22px;
	margin-left: 7px;
	background: url(../images/s-icons.png) -368px -7px no-repeat;
}

.navigation_icon:hover {
	background-position: -368px -46px;
}

.navigation_icon:nth-child(2) {
	background-position: -343px -7px;
}

.navigation_icon:nth-child(2):hover {
	background-position: -343px -46px;
}

.navigation_icon:nth-child(3) {
	background-position: -318px -7px;
}

.navigation_icon:nth-child(3):hover {
	background-position: -318px -46px;
}

.navigation_icon:nth-child(4) {
	background-position: -293px -7px;
}

.navigation_icon:nth-child(4):hover {
	background-position: -293px -46px;
}

.navigation_icon:nth-child(5) {
	background-position: -268px -7px;
}

.navigation_icon:nth-child(5):hover {
	background-position: -268px -46px;
}

.navigation_icon:nth-child(6) {
	background-position: -242px -7px;
}

.navigation_icon:nth-child(6):hover {
	background-position: -242px -46px;
}

.main {}

.banner {
	height: 520px;
	background: url(../images/bg.jpg) repeat center;
	/* 让背景图基于容器大小伸缩 */
	background-size: cover;
}

.banner_img_one {
	height: 352px;
}

.banner_img_one img {
	margin-top: 98px;
	width: 315px;
	height: 254px;
	margin-right: 160px;
}

.banner_box_top {
	padding-top: 46px;
	width: 240px;
	height: 27px;
}

.banner_box {
	border: 1px solid white;
	width: 51px;
	height: 27px;
	margin-right: 8px;
	background-color: white;
}

.banner_box:nth-child(1) {
	background-color: red;
}

.banner_box:nth-child(4) {
	margin-right: 0;
}

.banner_img_two {
	height: 352px;
}

.banner_img_two img {
	padding-top: 70px;
	width: 635px;
	height: 383px;
}

.main_text {
	/* border: 1px solid red; */
	height: 416px;
}

.text {
	float: left;
	margin-top: 70px;
	margin-right: 20px;
	width: 270px;
	height: 130px;
	/* border: 1px solid red; */
	font-size: 13px;
	padding-left: 90px;
	background-image: url(../images/ser-bg.png);
	position: relative;
}

.text .t1 {
	font-weight: bold;
	line-height: 46px;
	padding-top: 7px;
}

.text .t2 {
	color: #a1a1a1;
}

.text:nth-child(3n) {
	margin-right: 0;
}

.text:nth-child(4),
.text:nth-child(5),
.text:nth-child(6) {
	margin-top: 20px;
}

.text::before {
	content: "";
	position: absolute;
	width: 67px;
	height: 123px;
	background-color: #ed5844;
	top: 0px;
	left: 0px;
}

.text::after {
	content: "";
	position: absolute;
	width: 36px;
	height: 40px;
	background: url(../images/s-icons.png) no-repeat;
	top: 43px;
	left: 18px;
}

.text:nth-child(2)::after {
	background-position: -90px 0px;
}

.text:nth-child(3)::after {
	background-position: -165px 0px;
}

.text:nth-child(4)::after {
	background-position: 0px -110px;
}

.text:nth-child(5)::after {
	background-position: -81px -110px;
}

.text:nth-child(6)::after {
	background-position: -157px -110px;
}

.main_text_two {
	/* border: 1px solid red; */
	height: 196px;
}

.text_two {
	/* border: 1px solid red; */
	width: 1105px;
	height: 132px;
	margin-top: 56px;
	font-size: 14px;
	padding-left: 35px;
	background-color: #eeeeee;
	border: 1px solid #dedede;
	position: relative;
}

.text_two::before {
	content: "";
	position: absolute;
	width: 5px;
	height: 134px;
	border-right: 3px solid #ee5742;
	left: -6px;
	top: -1px;
}

.text_two::after {
	content: "";
	position: absolute;
	width: 5px;
	height: 132px;
	border-right: 2px solid #ee5742;
	left: -4px;
	top: 0px;
}

.text_two .t1 {
	font-weight: bold;
	line-height: 48px;
	padding-top: 26px;
}

.text_two .t2 {
	font-size: 13px;
	color: #a1a1a1;
}

.text_two .t3 {
	background-color: #df4739;
	border-radius: 3px;
	line-height: 57px;
	color: white;
	font-weight: bold;
	margin-top: 39px;
	margin-right: 42px;
	margin-left: 32px;
	padding-left: 52px;
	padding-right: 17px;
	position: relative;
}

.t3::before {
	content: "";
	position: absolute;
	width: 30px;
	height: 30px;
	background: url(../images/windows.png) no-repeat;
	top: 14px;
	left: 10px;
}

.portfolio {
	height: 643px;
}

.portfolio .t {
	font-weight: bold;
	line-height: 100px;
	/* width: 153px; */
	font-size: 18px;
	padding-right: 6px;
}

.line {
	width: 981px;
	padding-top: 48px;
	height: 1px;
}

hr {
	border: none;
	border-top: 1px solid #A1A1A1;
	padding-top: 1px;
}

.img_p {
	width: 275px;
	height: 470px;
	background-color: #eeeeee;
	margin-right: 12px;
	position: relative;
}

.img_p:nth-child(4) {
	margin-right: 0;
}

.img_p>img {
	width: 247px;
	height: 310px;
	display: block;
	padding-top: 14px;
	padding-left: 14px;
}

.img_p::before {
	content: "WEB DESIGN";
	position: absolute;
	width: 113px;
	line-height: 27px;
	background-color: #ed5844;
	left: 14px;
	top: 297px;
	color: white;
	text-align: center;
	font-size: 12px;
}

.img_p::after {
	content: "";
	position: absolute;
	width: 25px;
	height: 25px;
	background: url(../images/s-icons.png) -242px -84px no-repeat;
	bottom: 146px;
	left: 207px;
}

.img_p .t1 {
	line-height: 46px;
	padding-top: 3px;
	padding-left: 14px;
	border-bottom: 1px solid #e7e7e7;
	position: relative;
}

.img_p .t1::before {
	content: "";
	position: absolute;
	width: 25px;
	height: 25px;
	background: url(../images/s-icons.png) -276px -84px no-repeat;
	bottom: 49px;
	left: 237px;
}

.img_p .t2 {
	width: 220px;
	padding-top: 14px;
	padding-left: 14px;
	font-size: 10px;
	color: #a1a1a1;
}

.m_three {
	position: relative;
}

.t_three {}

.t_three .t1 {
	position: relative;
}

.t_three .t1::before {
	content: "";
	position: absolute;
	border-left: 45px solid #ed5844;
	border-right: 45px solid #ed5844;
	border-top: 66px solid #ed5844;
	border-bottom: 66px solid #ed5844;
	border-left-color: transparent;
	border-bottom-color: transparent;
	left: 919px;
	top: 0px;
}

.m_three::after {
	content: "";
	position: absolute;
	width: 95px;
	height: 132px;
	background: #ed5844 url(../images/mail.png)no-repeat 17px 44px;
	right: 0px;
	top: 57px;
}

.m_three::before {}

.t_two {
	/* width: 128px; */
}

.t_one {
	padding-left: 6px;
}

.line_two {
	width: 623px;
}

.line_three {
	width: 233px;
}

.img_one {
	width: 340px;
	height: 418px;
	position: relative;
	margin-right: 40px;
}

.img_one>img {
	width: 340px;
	height: 255px;
}

.img_one .t1 {
	line-height: 43px;
	padding-top: 6px;
	border-bottom: 1px solid #cccccc;
	width: 326px;
}

.img_one .t2 {
	padding-top: 18px;
	width: 326px;
	font-size: 13px;
	color: #c4c4c4;
	padding-bottom: 14px;
	border-bottom: 1px solid #cccccc;
}

.img_one .t3 {
	line-height: 82px;
	padding-left: 13px;
	color: #7f7f7f;
	font-size: 15px;
	position: relative;
}

.img_one .t3::before {
	content: "";
	position: absolute;
	width: 13px;
	height: 12px;
	background: url(../images/s-icons.png) no-repeat -295px -183px;
	left: 97px;
	top: 37px;
}

.img_one::before {
	content: "";
	position: absolute;
	width: 42px;
	height: 41px;
	background: url(../images/s-icons.png) -239px -122px no-repeat;
	left: 253px;
	top: 214px;
}

.img_one::after {
	content: "";
	position: absolute;
	width: 41px;
	height: 40px;
	background: url(../images/s-icons.png) -288px -122px no-repeat;
	left: 298px;
	top: 215px;
}

.img_2 {
	padding-left: 117px;
	width: 263px;
	height: 109px;
	font-size: 18px;
	background: url(../images/t1.jpg) no-repeat;
	background-size: 87px 109px;
	background-position: 15px 0px;
}

.img_2:nth-child(3) {
	padding-left: 117px;
	width: 263px;
	height: 109px;
	font-size: 18px;
	background: url(../images/p3.jpg) no-repeat;
	background-size: 87px 109px;
	background-position: 15px 0px;
}

.img_2>p:nth-child(1) {
	line-height: 24px;
}

.img_2>p:nth-child(2) {
	font-size: 15px;
	line-height: 22px;
	padding-top: 5px;
}

.img_2>a {
	font-size: 15px;
	line-height: 26px;
	color: #f15431;
}

.img_2_text {
	text-indent: 2em;
	padding-left: 15px;
	width: 350px;
	color: #acacac;
	line-height: 21px;
	padding-top: 7px;
	font-size: 11px;
	position: relative;
}

.img_2_text::before {
	content: "";
	position: absolute;
	width: 20px;
	height: 14px;
	background: url(../images/quotes.png);
	left: 15px;
	top: 7px;
}

footer {
	height: 325px;
}

.footer_one {
	height: 273px;
	background-color: #373737;
}

.footer_text_one {
	width: 252px;
	padding-top: 14px;
	padding-left: 14px;
	line-height: 47px;
	font-weight: bold;
	margin-right: 19px;
	color: white;
}

.footer_text_one>hr {
	border: none;
	width: 132px;
	padding-top: 0;
	border-top: 1px solid #434345;
}

.footer_text_one>hr:nth-child(2) {
	border-top: 1px solid #060608;
}

.p_t1>p {
	padding-top: 24px;
	padding-left: 14px;
	width: 252px;
	color: #7c7b80;
	font-size: 13px;
	line-height: 20px;
}

.p_t1>p:nth-child(2) {
	padding-top: 27px;
}

.p_t2 {
	padding-left: 14px;
	width: 250px;
	padding-top: 25px;
	font-size: 8px;
	color: #8d8c91;
}

.p_t2>p {
	line-height: 37px;
	background-color: #222222;
	margin-right: 3px;
	margin-bottom: 4px;
	padding: 0 10px 0 10px;
}

.p_t3 {
	width: 240px;
	font-size: 14px;
	padding-top: 18px;
	padding-left: 44px;
	position: relative;
}

.p_t3>p {
	line-height: 20px;
	color: #7c7c7e;
}

.p_t3>p>a {
	color: #d4d4d4;
}

.p_t3>p:nth-child(1)::before {
	content: "";
	position: absolute;
	width: 18px;
	height: 18px;
	background: url(../images/tw.png) no-repeat;
	left: 14px;
	top: 25px;
}

.p_t3>p:nth-child(3)::before {
	content: "";
	position: absolute;
	width: 18px;
	height: 18px;
	background: url(../images/tw.png) no-repeat;
	left: 14px;
	top: 100px;
}

.p_t3>p:nth-child(2),
.p_t3>p:nth-child(4) {
	font-weight: bold;
	color: white;
	line-height: 30px;
	font-size: 13px;
}

.f_img {
	padding-left: 14px;
	padding-top: 18px;
	width: 270px;
}

.f_img .fl {
	padding-right: 3px;
	padding-bottom: 3px;
}

.footer_two {
	height: 52px;
	background-color: #232323;
}

.footer_two p {
	line-height: 52px;
	font-size: 12px;
	color: white;
	margin-left: 738px;
}

.footer_two a {
	color: #d9593e;
}

.f_icon {
	position: relative;
}

.f_icon::before {
	content: "";
	position: absolute;
	width: 96px;
	height: 24px;
	background: url(../images/logo2.png) no-repeat;
	left: 0;
	top: 14px;
}

.f_icon::after {
	content: "";
	position: absolute;
	width: 38px;
	height: 25px;
	background: url(../images/move-top.png) no-repeat;
	left: 1280px;
	top: 19px;
}
